What size of a nozzle do you need for a Worcester oil boiler with out put of 140000 Btu?

For a Worcester oil boiler with an output of 140,000 BTU, you typically need a nozzle size of around 0.85 to 1.0 gallons per hour (GPH), depending on the specific model and efficiency requirements. It's essential to consult the boiler's manual or a heating professional to determine the exact size and type of nozzle required for optimal performance. Proper nozzle selection ensures efficient combustion and helps maintain the boiler's efficiency and longevity.